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Finding the Fourth Proportional to 366,967.30, 550,450.95 and 310,980.10

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Solution

The fourth proportional to 366,967.30, 550,450.95 and 310,980.10 is: 466,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,967.30 : 550,450.95 = 310,980.10 : x
  2. Step 2: Convert to fraction form
    366,967.30/550,450.95 = 310,980.10/x
  3. Step 3: Cross multiply
    366,967.30x = 550,450.95 × 310,980.10
  4. Step 4: Simplify right side
    366,967.30x = 171,179,291,476.10
  5. Step 5: Solve for x
    x = 171,179,291,476.10/366,967.30
  6. Step 6: Final answer
    x = 466,470.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.